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  <h1 class="topictitle1">Upgrading a Backup Storage Device as a Member Node</h1>
  <div>
   <p>The <span>product</span> supports upgrading the backup storage device corresponding to the <span>product</span> as a member node. This section describes related operations.</p>
   <div class="section">
    <h4 class="sectiontitle">Prerequisites</h4>
    <ul>
     <li>The internal communication network has been added for the active node and the backup storage device to be upgraded, and at least two IP addresses have been reserved for the backup storage device to be upgraded.</li>
     <li>At least one backup storage unit has been created for the backup storage device to be upgraded.</li>
     <li>The version of the <span>product</span> corresponding to the backup storage device to be upgraded is the same as that of the active node.</li>
     <li>The <span>product</span> corresponding to the backup storage device to be upgraded is not added to other replication clusters or multi-domain clusters.</li>
     <li>The IP address of the internal communication network of the <span>product</span> corresponding to the backup storage device to be upgraded must be able to communicate with the IP address of the internal communication network of the active node.</li>
     <li>No job is running on the <span>product</span> corresponding to the backup storage device to be upgraded.</li>
     <li>You have downloaded the CA certificate of the <span class="uicontrol"><b><span><strong>Server Certificate</strong></span></b></span> type of the <span>product</span> corresponding to the backup storage device and imported it to the active node. The type is set to <span class="uicontrol"><b>Backup/Multi-domain/Replication Cluster</b></span>. For details about how to import a CA certificate, see "Downloading a Certificate" and "Importing a Certificate" in the <em>Security Configuration Guide</em>.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Precautions</h4>
    <ul>
     <li>Only the backup storage device corresponding to the <span>product</span> can be upgraded as a member node.</li>
     <li>Service configuration data will be cleared after the backup storage device corresponding to the <span>product</span>, where there are jobs to be executed or data is stored, is upgraded as a member node. Exercise caution when performing this operation.</li>
     <li>Upgrade as a member node is not supported between some models of this product. For details, see the product documentation released on the technical support website or consult the product provider.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Choose <span class="menucascade" id="HA00047__ha00037_menucascade31053579148"><b><span class="uicontrol" id="HA00047__ha00037_uicontrol41059577142"><span id="HA00047__ha00037_text1054020121612"><strong>System</strong></span></span></b> &gt; <b><span class="uicontrol" id="HA00047__ha00037_uicontrol154661958121418"><span id="HA00047__ha00037_text8757278167"><strong>Infrastructure</strong></span></span></b> &gt; <b><span class="uicontrol" id="HA00047__ha00037_uicontrol54471544151"><span id="HA00047__ha00037_text1631251418164"><strong>Cluster Management</strong></span></span></b></span>.</span></li>
     <li><span>Click <span class="uicontrol" id="HA00047__ha00038_uicontrol105271161558"><b><span id="HA00047__ha00038_text1863743913218"><strong>Backup Storage Unit Groups</strong></span></b></span>.</span></li>
     <li><span>Select <span class="uicontrol" id="HA00047__ha00044_uicontrol1778005154612"><b>Backup Storage Devices</b></span>.</span></li>
     <li><span>In the row that contains a backup storage device, choose <span class="menucascade"><b><span class="uicontrol"><span><strong>More</strong></span> &gt; <span><strong>Upgrade to Backup Member Node</strong></span></span></b></span>.</span></li>
     <li><span>Enter the member node information in the window that is displayed on the right. For details, see <a href="HA00019.html#HA00019__table4154132019214">Table 1</a>.</span></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li>
     <li><span>In the <span class="uicontrol"><b><span><strong>Danger</strong></span></b></span> dialog box that is displayed, confirm the information, select <span class="uicontrol"><b><span><strong>I have read and understand the consequences associated with performing this operation.</strong></span></b></span>, and click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span><p></p><p><span><img src="en-us_image_0000001835508832.png"></span></p> <p></p> <p></p></li>
    </ol>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="HA00042.html">Managing Backup Storage Devices (Applicable to 1.6.0 and Later Versions)</a>
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